Slightly odd question!! I was trying to do a stretch earlier and I can't put any weight on my wrist 
so say downward dog and hands flat on floor type movement
Then I tried to climb on the worktop to clean windows and can't do that either but pushing the window open with that hand is fine!
If I make a fist and do that rather than the palm of my hand it's fine but with a flat hand it's pain/weak through the top of my hand and wrist
Any ideas? It's my right hand which is my mouse hand for work too annoyingly